Home / 816,783.54-1,126,996.08-477,186.18

Finding the Fourth Proportional to 816,783.54, 1,126,996.08 and 477,186.18

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Solution

The fourth proportional to 816,783.54, 1,126,996.08 and 477,186.18 is: 658,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,783.54 : 1,126,996.08 = 477,186.18 : x
  2. Step 2: Convert to fraction form
    816,783.54/1,126,996.08 = 477,186.18/x
  3. Step 3: Cross multiply
    816,783.54x = 1,126,996.08 × 477,186.18
  4. Step 4: Simplify right side
    816,783.54x = 537,786,954,290.17
  5. Step 5: Solve for x
    x = 537,786,954,290.17/816,783.54
  6. Step 6: Final answer
    x = 658,420.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.